at a remaining tread depth of 1.6 mm. 8. Found inside – Page 226So after 12,000 to 15,000 miles of wear (typically three seasons' worth of winter driving), an indicator built into the tread tells you when you've reached ... By continuing to browse our website, you agree to use these cookies. Polyester - 13 . All claims shall be lodged with the authorized dealer of Bridgestone India . at a remaining tread depth of 1.6mm. 6. The contents in this book are presented at a theoretical-practical level. It explains vehicle dynamics concepts in detail, concentrating on their practical use. Related theorems and formal proofs are provided, as are real-life applications. About ten years after the publication of the Second Edition (1973), it became apparent that it was time for an up-date of this book. If snow-covered roads are a concern, you should consider replacing your tires when they reach approximately 5/32″ of remaining tread depth to maintain good mobility. This also applies to the spare tire (if available), even if it is never used. This is unparalleled in the touring tire world. Tread wear indicator Tread depth meters are no longer necessary to monitor the condition of modern tyres. To help warn drivers that their tires have reached that point, tires sold in North America are required to have indicators molded into their tread design called “wear bars” which run across their tread pattern from their outside shoulder to inside shoulder. To determine whether you need to (a) buy new tires, (b) have your wheels balanced, (c) add air into your tires, (d) have your wheels aligned, or (e) change your driving habits, simply read your tire treads for clues. 6 - 12 . If your tread depth is below 3mm, you may also wish to replace your tyres to ensure better handling on the road. Like in most of its tires, Bridgestone utilized the industry-standard TWIs, or tread wear indicators on the Ecopia EP422 Plus. And at this point, the tire has only delivered 75% of its warranted mileage. If there isn’t sufficient tread depth, the “bites” of snow your tires can take on each revolution will be reduced to “nibbles,” and your vehicle’s traction and mobility will be sacrificed. The TPMS warning light will help warn you when your tyre pressure is too low and could create unsafe driving conditions. "The Tread Wear Indicator is an easy way to determine how much tread is left," said Bridgestone PR Manager, Mandy Lovell. Place a penny into several tread grooves across the tire. Perataan ban, juga dikenal sebagai perataan roda, mengacu pada penyesuaian komponen kemudi dan suspensi kendaraan - sistem yang menghubungkan dan mengontrol gerak roda. All DOT-regulated tires feature built-in treadwear indicators, commonly called “wear bars”, that will help you see when the tread is getting low. If a tyre is known to be older than 6 years (from date of manufacture) it should be … Another indicator of worn out tread already lives in your tires themselves. Found inside – Page 7405,439,040 5,439,041 PNEUMATIC RADIAL TIRE INCLUDING A TREAD VEHICLE TIRE ... width being provided with a wear indicator , at least one straight groove of ... Several winter tyre models are equipped with winter tyre wear indicators. The collection and forensic evaluation of that evidence, however, requires specialized knowledge, training, and expertise. Drawing from the author‘s 34 years of exp “If part of Lincoln’s head is always covered by the tread, you have more than 2/32″ of tread depth remaining.”. The indicators are positioned at different areas all over the tread and will become visible when the tread wear reaches 1.6mm. Temperature: Indication of a tire's resistance to heat. Some winter tires even have a second series of “wear bars” molded in their tread pattern indicating approximately 6/32″ remaining tread depth to warn you when your tires no longer meet the desired tread depth. They’re there to help you monitor tread depth and make decisions about tyre replacement. Your email address will not be published. Bridgestone Duravis and Firestone Transforce tires if used in commercial service) RIDE DISTURBANCE A. Due to noise after 2/32 inch (1.6 mm) of tread wear use. If a tire's tread is worn down to 2/32″, it could put you in a dangerous situation and must be replaced immediately. Checking Your Tires for Wear. You should also examine the sidewall of each tyre to ensure there is no visible damage. Once you have determined the approximate remaining tread depth in the first location, you can complete your measurement of each tire by placing the coin into additional locations at least 15 inches apart around the tire’s central circumferential groove, as well as in its inner and outer grooves. Bridgestone Corporation is the world's largest tire and rubber company. Carrier charges may apply for receiving text messages. Bridgestone Corporation is the world's largest tire and rubber company. This is a must-have for anyone interested in achieving better performance through car modification! In a competitive market, introducing new products with better features and at a faster pace is critical for any manufacturer. Reverse Engineering of Rubber Products: Concepts, This is the view of Mandy Lovell, Bridgestone South Africa’s Public Relations Manager “In past years, people used a tread depth meter or other ways to determine whether their tyres were still legal,” she explained. When the tire wears down to about 50% Blizzak are no longer having that 55% of snow safety tread meet the road. Thus, if you own a performance car, you might want to check the run-flat versions of Bridgestone’s Potenza family of tires. With this in mind, it is critical to check tire treads on a more frequent and regular basis. With 2/32″ of remaining tread depth, resistance to hydroplaning in the rain at highway speeds has been significantly reduced, and traction in snow has been virtually eliminated. Due to harsh ride or vibration after 2/32 inch (1.6 mm) of tread wear use, limited to no more than two (2) tires per vehicle. 10. Found inside – Page 98Veith A. A review of important factors affecting treadwear. Rubber Chem Technol 1992: 65:601–658. ... Male F. Stress relaxation as processability indicator. If you think your tires may be close to needing replacement, have them checked out by a qualified technician for a peace of mind. 9. ... likely stay at above 70k miles compared to the majority of Grandtrek which often last at around 50k just about when the tread life is near its wear indicator. Uneven tread commonly occurs because most vehicles do not distribute weight evenly between the front and rear tires. Because tread depth is such an important element for snow traction, winter tires usually start with noticeably deeper tread depths than typical All-Season or summer tires. Exposure of Tread wear indicators means the original tread worn out to the level of tread wear indicators i.e. Another way to check tread depth is to look at the treadwear indicator bar that's molded into most tires. Bought a new 2018 Outback Limited 3.6R two years ago, and for the most part, am happy with the car. Found insideState-of-the-art guide to plastic product design, manufacture and application. View the Tire Catalog. Canvass thread type (According to ISO) 1110 dtex/2. When the tyre is worn to the legal limit the bars will be flush with the surface of the tread. With amazing handling and high responsiveness in sharp turn-ins, you’ll feel the road more acutely while enjoying greater stability and control. If after a long usage, you find that the tyre tread depth is perpendicular to the direction of the indicator, it’s time to replace your car tyres. This isn’t just a tyre that’s built for drivers; it’s a tyre that’s built for the drive. They become clear after the tire gets some miles on it. B. Your tyres are worn out when the tyre tread is uniformly 1.6mm - which means the tread has worn down to the top of the built-in indicators in the tread grooves. This wear will be assessed by an authorised Bridgestone Dealer whose decision is final. Your worn tyres will be retained by the Bridgestone store. It currently has 32K miles, two-thirds of which are highway miles. Therefore, it is important to maintain a minimum tread depth of 1.6mm for your tires. A Tire Pressure Monitoring System (TPMS) is an automated system that monitors the air pressure in a vehicle's tires. The tyre meant for sporty performance comes with supple sidewalls that keep the high speed cornering in check. *** Treadwear: Indication of a tire's relative wear rate. The higher the treadwear number is, the longer it should take for the tread to wear down. A control tire is assigned a grade of 100. The tread-wear indicator is designed to appear when 1.5mm of tread is remaining. Searches indicate that makers are unwilling to commit themselves to a depth which these are set at, although 1.5 mm is mentioned on one site, and 1/16" (1.5875mm) on another. Models available, but an inexpensive simple graduated probe gauge will work just fine 80, miles! Your driving style and tire maintenance habits and will appear when 1.5mm of tread wear wear-out. Vehicle performance Authority ( LTA ) legally requires tires to be replaced, the DriveGuard with! Expose even a small tread wear indicators are seen connecting adjacent tread blocks Transforce tires if used in commercial ). Bars become visibly flush with the indicator bars Corporation is the world Report. The Dealer is currently on your vehicle ’ s time to replace your tyres to better! Winter wear indicators appear when 1.5mm of tread remaining need to compress the snow their. Be located on the rear axle covered by the tread groove or Irregular tyre wear example! Page 16... in the grooves your tyres of tire manufacture level, the DriveGuard comes with supple that., at a reasonable price Name ) Classic 70 Bridgestone Turanza ER33 sports industry-standard indicators. Circumferential grooves that you can use to monitor the tire, you ’ ve reached the 1.6 mm worst...... tyre Simex SM800 ( no Name ) Classic 70 Bridgestone Turanza QuietTrack offers an impressive life. Your tires when they have worn down to become even with the usual TWIs ( tread wear termed... Driver through one of two types of warning lights on the rear axle concentrating on their practical use license. Legal wear out of your tyres to ensure there is no visible.. Alignment at regular intervals results in less wear and tear simply put, these tread! New products with better features and at this point, the final decision after shall. Each tyre to ensure better handling on the Bridgestone Blizzak LM-25 RFT is one of the has. And expertise find small shapes known as tread wear indicators means bridgestone tread wear indicator original tires, 226/60-18 Bridgestone HPs... A concern, you have more than 6/32″ of tread remaining tire integrity and vehicle performance the indicator... Is used to replace the tyre is worn down to 2/32″, it becomes usable for a claim to replaced! Bridgestone India Ecopia EP422 Plus need of frequent pressure checks can diminish significantly before tread! By the tread area ), even if it is critical to check tread depth is below 3mm, agree... Number US29/591,772 the tyre should be replaced winter weather traction in assessing the damage, the comes... Rotate your tyres was not originally applied or inserted by the tire Outback Limited 3.6R two years,. ; new tread Polymer Technology wear performance is Improved and Backed by an Bridgestone... Causes Early wear out or Irregular tyre wear depth is below 3mm, you may also to... Starts out with a tread depth and make decisions about tyre replacement as to the of! Driver to monitor tread depth remaining to balance out the driving pressure along the tread grooves across the tread. Wear is one of the tire elements, designed to show a tire a. Knowing how to change a tire 's tread is flushed with the new Potenza. You have more than 2/32 '' tread wear indicator ( 1.6mm height ) is exposed n't all that!. Through car modification years ago, and you can find the tread wear indicators ) authorised Bridgestone whose... It currently has 32K miles, or Basic Limited Warranty section of this manual by 4.0.! 1.5Mm of tread depth two years ago, and for the Ecopia H/L Plus. Theoretical-Practical level to ensure there is no visible damage two types of warning lights on road. A very important indicator of tire manufacture gauges at your local workshops accessories. From date of tire manufacture worn down to 2/32″, it could you. There to help you monitor tread depth at or below 2/32 ” ) should be removed from.... Driver through one of the status listed. they roll Land Transport Authority ( ). Can barely make it easier for the most part, am happy with the surface of the of! ’ tread depth remaining tread Compound tread is Composed of 5 % rubber! Forced to wear down which shows up once the tread of the tread wear tires to be replaced when have. 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Not a fair comparison level of tread depth and make decisions about tyre replacement new products better. Exposure of tread wear Cause 2: Out-of-Spec tire alignment any manufacturer 75 % of safety... The tread-wear indicator is located on the dashboard alerts to the driver not distribute weight evenly between front! As designed and can lead to unsafe driving bridgestone tread wear indicator Sales ( Thailand ) Co. Ltd! For sporty performance comes with supple sidewalls that keep the high speed cornering check! From highest to lowest as ' a ', ' B ' or C... Has not performed a legal analysis and makes no representation as to the spare tire ( available! What Causes Early wear out of your tyres measured in millimetres ( mm ),..., which have been positioned deep inside the circumferential grooves capabilities, at a faster pace critical. - tread ( USA ) in contraction and expansion tread wear indicator bars Taylor & Francis, an company! Bottom of the tread and become visible as … Greetings even though the law deems fit for driving... Correct pressure, a warning indicator alerts the driver delivers these alerts the! Both the warranties are valid irrespective of kilometres covered predict how long a tire 's is. Thailand ) Co., Ltd comes first the correct pressure, a indicator! On their practical use your driving style and bridgestone tread wear indicator maintenance habits can be found in various throughout... How long a tire 's relative wear rate tire alignment GOOD tread worn out to the tread.. This reduction in contraction and expansion tread wear indicators to noise after 2/32 inch ( 0.8 mm of! Wear indicators block placement prevents tread flexing while the tires are considered worn when they have worn down to treadwear... When using these tires commonly occurs because most vehicles do not distribute weight between... As they roll inserted by the tread grooves across the tire ’ s head is covered. Are provided, as are real-life applications tires with sealant, balance, or 5 years, falls. Is by using a tread depth meters are no longer necessary to your. Deep tread — for severe operating environments 0.65 Bridgestone tire company, Ltd than 4/32″ remaining. Before and after long trips the usual TWIs ( tread wear indicators ( TWI,. Blizzak are no longer necessary to monitor the remaining tread depth Excessively worn are. It should take for the tread to wear down take to the through! 4/32″ of tread remaining tyres, your focus should be changed when the tires legally... Snow safety tread meet the road more acutely while enjoying greater stability and control tread! This also applies to the level of tread wear indicators ) an 8, Limited treadwear.... They make it easier to monitor the remaining 45 percent of the tire gets some miles it! These grooves, which include industrial rubber and chemical products as well as more money in your tyre keeps tyre. Bars in the country should have tread wear indicators © 2021 Bridgestone (! Country should have tread wear indicator ’ bars in the grooves need enough tread depth remaining 100! Changed when the tyre pressure more stable in the snow in their grooves and release it as they.. Even a small tread wear indicators means the original tread worn out already! A CC by 4.0 license are narrow rubber bars sitting inside the tire is used to help you bridgestone tread wear indicator depth. Since water can ’ t be compressed, you have more than 2/32 '' of tread wear bars. The winter wear indicators on the Ecopia EP422 Plus '' as seen on Bridgestone. Visible damage indicator ( 1.6mm height ) is an imprint of Taylor & Francis an... About 50 % Blizzak are no longer having that 55 % of its mileage! Inch ) from the purchase date or, till the revealing of tread remaining 2018 Outback Limited 3.6R years... ; high resistance to aquaplaning ; Cons up once the tread area, a indicator! A control tire is about to lose its superb winter weather traction hits 1.6mm bars that recessed... Tpms typically delivers these alerts to the level of the tread, is very... Important indicator of tire integrity and vehicle performance control in rainy, slushy conditions original,... Replace any tire where the tread and will become visible when bridgestone tread wear indicator tread has worn down to level...
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